Air conditioner



Sept. 2l, 1937. .P. D. sNAvELY y 2,093,853

AIR GONDITIONER Filed April 2l, 1936 im l Parrzarely frigerantsuch as dry iceis sealed and a radiator Patented sept. 21, 1937 l arntcoNDITroNEn EIParkeD. Snavely, Los Angeles, Calif.

application April 21,

d ilaims'.

'I'his invention relates to improvements in air conditioners and particularly' to that class having a closed insulated ice bunker in which a reby which a forced current of Aair is reduced in temperature. More lparticularly although not exclusively this invention is of portable type whereby it can be installed for service in any desired location such as in a room or other place Where it is desired to reduce the temperature of the atmosphere or otherwise condition air.

The primary object of this invention is the production of .an inexpensive device of the class stated which will effectively reduce the tempera'- ture of the atmosphere in a room or other place and maintain vthe same at the desired cold degree and humidity. Among further objects are-simplicity of construction 'andfgreater effectiveness in use than heretofore. y

In the accompanying vdrawing. forming part of this speciiication, Fig. l is aivertical central longitudinal section of my invention, taken on the line I-I of Fig. 2, and Fig. 2 is a. horizontal section taken on the line` 2 f-'2 of Fig. 1.

In the drawing, A is a receptacle of rectangular or other suitable shape. "Its enclosing walls are preferably insulated against heat land cold. 'As shown each of its. sidewalls is laminated, to produce'strength and consists of` an inner comparatively thick layer of insulating board `I I, an outer plate of thin'ilni'sh material such as hard pressed ber board I2 and an intermediate layer of wood i3, which layers are.emente'd or otherwise secured together to forna unit. The bottom wall of the receptacle is co posed of a layerl of wood il and athick layer of insulating material l5 which also are cemented or otherwise secured together. The top wall of the receptacle is also composed of a layer of insulating material. i6,

- a layer of wood l] and a layer of liinish material i8, allofwhichgarecementedjor otherwise secured to`ge th er."f y The top wall is preferablyref movable and canfbe" lifted 'o of ythe structure toreplenish there'frigerant when desired. A recess i9 .in thej'lowe'r surface of the cover-admits the upper edge ofthe side wall of the receptacle to hold the cover in place. The vertical corners ci the receptacle are held by. the lcorner pieces fit in which the edges of the side walls are secured by cementing or other suitable means.

The upper portion of the chamber in the receptacle is divided byy a laminated wall 3d into remaining ice bunker B, and an air circulating chamber. This dividing wall is composed of an insulating layer 3i and a layer ci wocd' which 1936, serial No. '15,584

(cl. (sz- 131) arecemented or otherwise secured together as a unit. The bottom of the ice chamber is pro.

vided with a radiator D which is spaced above the bottom of the chamber leavingj a horizontal air passage C. This radiator D resembles a tray 33 made out of aluminum` or other suitable preferably non-oxidizable /material and formed with inverted cold radiating conical baiile shells 34, part of the pointed ends of which are longer than others to support the load of. the radiator and the refrigerant composed of dry ice or other suitable refrigerating material indicated by- E.

The cold radiating baiiies 34 are evenly distributed across the air passage whereby a current of air maybe forced through the airpassage below and between the baiiies and reduced in temperature. 36 are provided in the .walls of the receptacle through which a current of` air is caused to flow` through the air passage C and a deflector 3.1 adjoining passage 36 diverts the air upwardly therefrom.

'I'hus a current of air is adapted to-be propelled -by the blower through the air passage and reduced in temperature by the baille cones. A vertical deector 29 between wall 30 andpartition 40 serves to prevent churning effect of, the lair propelled' by fan 42'. 'The blower is mounted by.

a bracket 39 on the wall of the receptaclefadjoining the ingress openingv 35. y.'I'he bailies are preferably direction across the tray y to increase 1 radiation `of.

with` the rows. of radiating"elenients extending longitudinally -with the .directow of air` through the air channel.. The dimensions of the ice tray Ingress and egress .openings 35 and l evenly staggered in `one horizontal Y 4o the airl traversing A.therebetween and are arranged t .in straight rrowstransversely:soas toreduce radi- `ation whenthe-tray is shifted into-a position' Spaced from the dividing wall in therecep-V A tacle away from the ice bunker is a vertical par--V are vuniform longitudinally. and -Ktransversely.

' whereby, if desired, the tray may be lifted out ofthe bunker .and vreinserted with the bame cones reversed, that is the tray given a quarter turn horizontally and the baille cones thus arranged instraight rows parallel with the air iow to reduce the surface contact and thereby impart baille is provided by which the air may be chilled to either one or the other of two temperatures. The chilled air is substantially dry and free from objectionable moisture. This condition is augmented by a pan 5I which is secured to the lowermost terminal points of the baille shells 34'by brazing or other suitable means and provided with supports 4|' which support the pan spaced may be` provided with an air filter F which is adapted to intercept the current of air traversing the air conditioning 'chamber and remove 0bjectionableimpurities. 'I'his filter may consist of frames 46 holding screens such as 45, said frames being removably rabbeted in slots 4,1, in the walls of the air chamber and shaped around the motor of the blower `38.

To reduce and assist in preventing the collection of condensation and frost from the ice on the cold radiator elements 34 a sheet or plate G, made out of pressed ber or other suitable poor heat conducting material is placed freely on radiator D in the ice bunker. This lplate is provided with openings 50 corresponding with the open ends of the radiator elements.

In accordance with the patent statutes, I have described the principles of operation of my invention, together with'the construction thereof which I now consider to .represent the best embodiment thereof, but/'I desire to have it understood that the structureA shown is only illustrative and that the invention can be carried out by other means and applied to uses other, than those above set forth within the scope of the following claims. f

Having described my invention, what I claim as new and desire to secure by Letters Patent is:

1. An air conditioner,` consisting of a receptacle divided into a bunker and an airconditioning chamber, said bunker being formed by in-l sulating walls and a oor changeable in position horizontally by which a refrigerant is adapted to be sealed therein, said oor having evenly distributed hollow cold radiating bailies depending into saidair chamber, said walls of said air chamber having openings at opposite ends of said baffles whereby a current of Yair may flow through said receptacle in contact with said bafiies, and said baffles being disposed in staggered arrangement in one direction horizontally and in parallel rows in transverse direction horizontally, whereby when the oor is shifted across I and catch drip.

the current of air flowing through the receptacle the temperature ofthe air is changed, and a blower in said air chamber for causing air by forced circulation to ow through said lreceptacle in contact with said bailles to reduce the temperature thereof.

2. An air conditioner, consisting of a receptacle divided into a bunker and an air conditioning chamber with an air passage from said chamber extending below the floor of said bunker, said bunker being formed by thermo insulating walls and a floor by which a refrigerant is adapted to be sealed therein, said door having hollow inverted conical cold radiating baiiies projecting across said air passage by which air from said chamber is reduced in temperature and the walls of said receptacle having openings into said chamber and from said air passage, and means in said chamber for causing air by forced circulation to now through said receptacle in contact with the outer surfaces of said conical baiiles to reduce thetemperature of the air.

3. Anair conditioner, consisting of a receptacle divided intola bunker, an air conditioning chamber and an air passage from said chamber extending below the oor of said bunker, said bunker being formed by thermo 'insulating walls and a floor by which a refrigerant is adapted to be sealed therein, said floor having hollow inverted conical cold radiating bailles projecting across said air passage by which air from said chamber is reduced in temperature and the walls of said receptacle having openings into said chamber and from said air passage, means in said chamber for causing lair by forced circulation to iiow through said receptacle in contact with the outer surfaces of said conical bailies to reduce the temperature of the air and a plate of poor heat conducting material placed upon the door oi the 4bunker having openings corresponding with the l radiator elements, to

the refrigopen ends ofl said conical reduce condensation and frost from erant on the radiator elements.

4. An air conditioner, consisting of a receptacle divided into a bunker, an air `conditioning chamber and an air passage from said .chamber extending below the floor of said bunker, said bunker being formed by thermo insulating walls and a floor by which a refrigerant is adapted to be sealed therein, said floor having hollow inverted conical cold radiating bames projecting across said air passage by ywhich air from said chamber is reduced in temperature and the walls of said receptacle having. openings into said chamber and from said air passage, means in said chamber for causing air by forced circulation to -flow through said receptacle in contact with the outer surfaces of said conical bames to reduce the temperature of the air, and a pan -se cured to the lower terminals of the conical shells and spaced above the floor of the receptacle to radiate cold, reduce the collection of condensation 'PARKE n. sINAvELY. 

